CBS making all the right moves.(ANALYSIS: FIRST IN SERIES)

Rumors of the demise of the broadcast biz have been greatly exaggerated, at least over at CBS.

The net, seemingly impervious to the numerous problems affecting some of its rivals, is as steady as they come. And at midseason, it leads in key demo categories while enjoying its customarily healthy advantage among total viewers.

No network delivers on the promise of a show better than CBS. The Eye knows what works for its audience, and this has helped it improve its odds of finding new hits.

CBS possesses not only this season's hottest newcomer--"The Mentalist"--but also the top-rated sophomore skein in "The Big Bang Theory."

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Monday's "Big Bang" combines with TV's top laffer, "Two and a Half Men," and rising star "How …